GB1564969A - Permanent magnet alloy - Google Patents
Permanent magnet alloy Download PDFInfo
- Publication number
- GB1564969A GB1564969A GB50103/76A GB5010376A GB1564969A GB 1564969 A GB1564969 A GB 1564969A GB 50103/76 A GB50103/76 A GB 50103/76A GB 5010376 A GB5010376 A GB 5010376A GB 1564969 A GB1564969 A GB 1564969A
- Authority
- GB
- United Kingdom
- Prior art keywords
- permanent magnet
- magnet alloy
- alloy according
- solidus
- alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910045601 alloy Inorganic materials 0.000 title claims description 52
- 239000000956 alloy Substances 0.000 title claims description 52
- 238000000034 method Methods 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 238000005245 sintering Methods 0.000 claims description 8
- 229910052772 Samarium Inorganic materials 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 7
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical group [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 6
- 239000007795 chemical reaction product Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 238000000265 homogenisation Methods 0.000 claims description 5
- 239000007858 starting material Substances 0.000 claims description 5
- 229910052684 Cerium Inorganic materials 0.000 claims description 4
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000004663 powder metallurgy Methods 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910001122 Mischmetal Inorganic materials 0.000 claims description 2
- 229910052779 Neodymium Inorganic materials 0.000 claims description 2
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 2
- 238000005272 metallurgy Methods 0.000 claims description 2
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 2
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 2
- 238000005496 tempering Methods 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 10
- 229910052761 rare earth metal Inorganic materials 0.000 description 10
- 150000002910 rare earth metals Chemical class 0.000 description 10
- 230000005291 magnetic effect Effects 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RWVIXLAPUYQGIG-UHFFFAOYSA-N (3-oxophenothiazin-2-yl)azanium;chloride Chemical compound Cl.C1=CC=C2SC3=CC(=O)C(N)=CC3=NC2=C1 RWVIXLAPUYQGIG-UHFFFAOYSA-N 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229910020598 Co Fe Inorganic materials 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910002519 Co-Fe Inorganic materials 0.000 description 1
- 241000207923 Lamiaceae Species 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/07—Alloys based on nickel or cobalt based on cobalt
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/021—Detachable or loose seat cushions
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0433—Nickel- or cobalt-based alloys
- C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together sintered
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1563175A CH603802A5 (de) | 1975-12-02 | 1975-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1564969A true GB1564969A (en) | 1980-04-16 |
Family
ID=4410680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB50103/76A Expired GB1564969A (en) | 1975-12-02 | 1976-12-01 | Permanent magnet alloy |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US4131495A (de) |
| JP (1) | JPS6015689B2 (de) |
| CA (1) | CA1106648A (de) |
| CH (1) | CH603802A5 (de) |
| DE (1) | DE2558865C2 (de) |
| FR (1) | FR2333871A1 (de) |
| GB (1) | GB1564969A (de) |
| NL (1) | NL7613303A (de) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH603802A5 (de) * | 1975-12-02 | 1978-08-31 | Bbc Brown Boveri & Cie | |
| DE2705384C3 (de) * | 1976-02-10 | 1986-03-27 | TDK Corporation, Tokio/Tokyo | Dauermagnet-Legierung und Verfahren zur Wärmebehandlung gesinterter Dauermagnete |
| JPS52155124A (en) * | 1976-06-18 | 1977-12-23 | Hitachi Metals Ltd | Permanent magnetic alloy |
| JPS53115614A (en) * | 1977-03-22 | 1978-10-09 | Toshiba Corp | Permanent magnet |
| JPS5386626A (en) * | 1977-09-14 | 1978-07-31 | Hitachi Metals Ltd | Permant magnet alloy |
| US4289549A (en) * | 1978-10-31 | 1981-09-15 | Kabushiki Kaisha Suwa Seikosha | Resin bonded permanent magnet composition |
| DE3068420D1 (en) * | 1979-04-12 | 1984-08-09 | Far Fab Assortiments Reunies | Ductile magnetic alloys, method of making same and magnetic body |
| DE3071376D1 (en) * | 1979-04-18 | 1986-03-13 | Namiki Precision Jewel Co Ltd | Process for producing permanent magnet alloy |
| US4226620A (en) * | 1979-04-27 | 1980-10-07 | The United States Of America As Represented By The Secretary Of The Army | Magnetic alloys |
| JPS5810454B2 (ja) * | 1980-02-07 | 1983-02-25 | 住友特殊金属株式会社 | 永久磁石合金 |
| JPS56166357A (en) * | 1980-05-23 | 1981-12-21 | Shin Etsu Chem Co Ltd | Permanent magnet alloy containing rare earth metal |
| JPS601940B2 (ja) * | 1980-08-11 | 1985-01-18 | 富士通株式会社 | 感温素子材料 |
| DE3040342C2 (de) * | 1980-10-25 | 1982-08-12 | Th. Goldschmidt Ag, 4300 Essen | Zur Herstellung eines Dauermagneten geeignete Legierung |
| JPS57100705A (en) * | 1980-12-16 | 1982-06-23 | Seiko Epson Corp | Permanent magnet |
| CA1176814A (en) * | 1981-05-11 | 1984-10-30 | Kalatur S. V. L. Narasimhan | Method of improving magnets |
| DK111582A (da) * | 1982-03-12 | 1983-09-13 | Niro Atomizer As | Hoejgradient magnetisk separator |
| FR2526994B1 (fr) * | 1982-05-11 | 1987-03-06 | Draper Lab Charles S | Procede et appareillage pour produire des aimants cobalt-terre rare en anneau a orientation radiale du champ magnetique et aimant permanent ainsi obtenu |
| EP0117340A1 (de) * | 1983-02-23 | 1984-09-05 | Colt Industries Operating Corp. | Permanentmagnet-Legierung |
| US4897283A (en) * | 1985-12-20 | 1990-01-30 | The Charles Stark Draper Laboratory, Inc. | Process of producing aligned permanent magnets |
| GB8603590D0 (en) * | 1986-02-13 | 1986-03-19 | Lucas Ind Plc | Dynamo electric machines |
| US4716133A (en) * | 1986-03-31 | 1987-12-29 | Kyocera Corporation | Method for production of silicon nitride sintered body |
| US4738144A (en) * | 1986-10-03 | 1988-04-19 | Micro Motion, Inc. | Drive means for oscillating flow tubes of parallel path coriolis mass flow rate meter |
| JPS63233505A (ja) * | 1987-03-23 | 1988-09-29 | Seiko Epson Corp | 希土類磁石 |
| JPH01225101A (ja) * | 1988-03-04 | 1989-09-08 | Shin Etsu Chem Co Ltd | 希土類永久磁石 |
| US5007972A (en) * | 1988-06-09 | 1991-04-16 | The Charles Stark Draper Laboratory, Inc. | Samarium-transition metal magnet formation |
| US4920009A (en) * | 1988-08-05 | 1990-04-24 | General Motors Corporation | Method for producing laminated bodies comprising an RE-FE-B type magnetic layer and a metal backing layer |
| US4969961A (en) * | 1989-03-03 | 1990-11-13 | General Motors Corporation | Sm-Fe-V magnet alloy and method of making same |
| US5244510A (en) * | 1989-06-13 | 1993-09-14 | Yakov Bogatin | Magnetic materials and process for producing the same |
| US5122203A (en) * | 1989-06-13 | 1992-06-16 | Sps Technologies, Inc. | Magnetic materials |
| US5114502A (en) * | 1989-06-13 | 1992-05-19 | Sps Technologies, Inc. | Magnetic materials and process for producing the same |
| US5084115A (en) * | 1989-09-14 | 1992-01-28 | Ford Motor Company | Cobalt-based magnet free of rare earths |
| JPH06509211A (ja) * | 1990-06-08 | 1994-10-13 | エスピーエス・テクノロジーズ・インコーポレーテッド | 改良磁性材料及びその製造方法 |
| US5382303A (en) * | 1992-04-13 | 1995-01-17 | Sps Technologies, Inc. | Permanent magnets and methods for their fabrication |
| CN1035700C (zh) * | 1992-07-07 | 1997-08-20 | 上海跃龙有色金属有限公司 | 稀土磁性合金粉末制造方法及其产品 |
| US5609695A (en) * | 1993-12-21 | 1997-03-11 | Matsushita Electric Industrial Co., Ltd. | Method for producing alloy powder of the R2 T17 system, a method for producing magnetic powder of the R2 T17 Nx system, and a high pressure heat-treatment apparatus |
| JP3751084B2 (ja) * | 1996-08-30 | 2006-03-01 | 本田技研工業株式会社 | 複合磁歪材料およびその製造方法 |
| DE112007003321B4 (de) * | 2007-02-12 | 2017-11-02 | Vacuumschmelze Gmbh & Co. Kg | Gegenstand zum magnetischen Wärmeaustausch und Verfahren zu dessen Herstellung |
| US9175885B2 (en) * | 2007-02-12 | 2015-11-03 | Vacuumschmelze Gmbh & Co. Kg | Article made of a granular magnetocalorically active material for heat exchange |
| GB2460774B8 (en) | 2007-12-27 | 2012-12-19 | Vacuumschmelze Gmbh & Co Kg | Composite article with magnetocalorically active material and method for its production |
| DE112008000146T5 (de) * | 2008-05-16 | 2010-02-11 | Vacuumschmelze Gmbh & Co. Kg | Gegenstand zum magnetischen Wärmeaustausch und Verfahren zur Herstellung eines Gegenstandes zum magnetischen Wärmeaustausch |
| WO2010038099A1 (en) * | 2008-10-01 | 2010-04-08 | Vacuumschmelze Gmbh & Co. Kg | Article for use in magnetic heat exchange, intermediate article and method for producing an article for use in magnetic heat exchange |
| KR101233462B1 (ko) * | 2008-10-01 | 2013-02-14 | 바쿰슈멜체 게엠베하 운트 코. 카게 | 적어도 하나의 자기열량적 활성상을 포함하는 물품 및 적어도 하나의 자기열량적 활성상을 포함하는 물품의 가공 방법 |
| GB2463931B (en) * | 2008-10-01 | 2011-01-12 | Vacuumschmelze Gmbh & Co Kg | Method for producing a magnetic article |
| DE112009001803B4 (de) | 2009-05-06 | 2023-09-21 | Vacuumschmelze Gmbh & Co. Kg | Verfahren zur Herstellung eines Gegenstandes für magnetischen Wärmeaustausch |
| GB2482880B (en) | 2010-08-18 | 2014-01-29 | Vacuumschmelze Gmbh & Co Kg | An article for magnetic heat exchange and a method of fabricating a working component for magnetic heat exchange |
| DE102015218560A1 (de) | 2015-09-28 | 2017-03-30 | Robert Bosch Gmbh | Hartmagnetphase, Verfahren zu ihrer Herstellung und magnetisches Material |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB982658A (en) * | 1961-02-27 | 1965-02-10 | Wado Kk | Soft permanent magnets |
| US3422407A (en) * | 1964-10-20 | 1969-01-14 | Bell Telephone Labor Inc | Devices utilizing a cobalt-vanadium-iron magnetic material which exhibits a composite hysteresis loop |
| FR1604641A (de) * | 1967-11-15 | 1972-01-03 | ||
| US3839102A (en) * | 1967-11-15 | 1974-10-01 | Matsushita Electric Ind Co Ltd | Permanent magnet |
| US3560200A (en) * | 1968-04-01 | 1971-02-02 | Bell Telephone Labor Inc | Permanent magnetic materials |
| BE728414A (de) * | 1968-04-01 | 1969-07-16 | ||
| US3567525A (en) * | 1968-06-25 | 1971-03-02 | Du Pont | Heat treated ferromagnetic particles |
| US3932204A (en) * | 1969-10-31 | 1976-01-13 | Elect & Magn Alloys Res Inst | Cobalt-aluminum magnetic materials with high coercive force |
| DE2121596C3 (de) * | 1971-05-03 | 1975-11-20 | Th. Goldschmidt Ag, 4300 Essen | Verwendung einer Legierung als hartmagnetischer Werkstoff |
| DE2146064A1 (de) * | 1971-09-10 | 1973-03-15 | Siemens Ag | Anordnung zur vermeidung des ratterns und riefens von schleifringbuersten fuer gleichstrom, die zeitweise ohne betriebsstrom betrieben werden |
| US4003767A (en) * | 1971-12-27 | 1977-01-18 | Bbc Brown Boveri & Company Limited | Procedure for the production of permanent magnetic sinter bodies using a ternary cobalt-lanthanoid compound |
| SU515826A1 (ru) * | 1972-04-27 | 1976-05-30 | Центральный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Черной Металлургии Им.И.П.Бардина | Магнитотвердый сплав |
| SU420695A1 (ru) * | 1972-06-20 | 1974-03-25 | В. М. Чернов , Л. С. Ларина | Сплав для изготовления литых постоянныхмагнитов |
| US3836406A (en) * | 1973-01-22 | 1974-09-17 | Director Of Nat Res Inst For M | PERMANENT MAGNETIC Fe-Mn-Cr ALLOY CONTAINING NITROGEN |
| FR2217430B1 (de) * | 1973-02-09 | 1976-10-08 | Matsushita Electric Ind Co Ltd | |
| GB1378195A (en) * | 1973-06-08 | 1974-12-27 | Secr Defence | Permanent magnet materials |
| US3856582A (en) * | 1973-06-22 | 1974-12-24 | Gen Electric | Fabrication of matrix bonded transition metal-rare earth alloy magnets |
| JPS532127B2 (de) * | 1973-07-20 | 1978-01-25 | ||
| JPS5724058B2 (de) * | 1973-11-12 | 1982-05-21 | ||
| DE2507157C2 (de) * | 1974-02-21 | 1984-10-31 | Shin-Etsu Chemical Co., Ltd., Tokio/Tokyo | Dauermagnet und Verfahren zu seiner Herstellung |
| JPS50160798A (de) * | 1974-06-17 | 1975-12-26 | ||
| US4099995A (en) * | 1974-07-31 | 1978-07-11 | Bbc Brown, Boveri & Company, Ltd. | Copper-hardened permanent-magnet alloy |
| US4008105A (en) * | 1975-04-22 | 1977-02-15 | Warabi Special Steel Co., Ltd. | Magnetic materials |
| JPS5211121A (en) * | 1975-07-18 | 1977-01-27 | Fujitsu Ltd | Magnet material |
| CH616777A5 (de) * | 1975-09-23 | 1980-04-15 | Bbc Brown Boveri & Cie | |
| CH603802A5 (de) * | 1975-12-02 | 1978-08-31 | Bbc Brown Boveri & Cie | |
| DE2705384C3 (de) * | 1976-02-10 | 1986-03-27 | TDK Corporation, Tokio/Tokyo | Dauermagnet-Legierung und Verfahren zur Wärmebehandlung gesinterter Dauermagnete |
| US4210471A (en) * | 1976-02-10 | 1980-07-01 | Tdk Electronics, Co., Ltd. | Permanent magnet material and process for producing the same |
| JPS52155124A (en) | 1976-06-18 | 1977-12-23 | Hitachi Metals Ltd | Permanent magnetic alloy |
| US4213803A (en) * | 1976-08-31 | 1980-07-22 | Tdk Electronics Company Limited | R2 Co17 Rare type-earth-cobalt, permanent magnet material and process for producing the same |
-
1975
- 1975-12-02 CH CH1563175A patent/CH603802A5/xx not_active IP Right Cessation
- 1975-12-27 DE DE2558865A patent/DE2558865C2/de not_active Expired
-
1976
- 1976-11-30 NL NL7613303A patent/NL7613303A/xx not_active Application Discontinuation
- 1976-11-30 US US05/746,226 patent/US4131495A/en not_active Expired - Lifetime
- 1976-12-01 GB GB50103/76A patent/GB1564969A/en not_active Expired
- 1976-12-01 JP JP51144585A patent/JPS6015689B2/ja not_active Expired
- 1976-12-01 FR FR7636239A patent/FR2333871A1/fr active Granted
- 1976-12-02 CA CA267,017A patent/CA1106648A/en not_active Expired
-
1979
- 1979-05-21 US US06/041,194 patent/US4322257A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4131495A (en) | 1978-12-26 |
| CA1106648A (en) | 1981-08-11 |
| DE2558865C2 (de) | 1985-10-24 |
| FR2333871B1 (de) | 1981-01-09 |
| FR2333871A1 (fr) | 1977-07-01 |
| US4322257A (en) | 1982-03-30 |
| JPS6015689B2 (ja) | 1985-04-20 |
| JPS5268816A (en) | 1977-06-08 |
| DE2558865A1 (de) | 1977-06-16 |
| NL7613303A (nl) | 1977-06-06 |
| CH603802A5 (de) | 1978-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 746 | Register noted 'licences of right' (sect. 46/1977) | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |